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Developer Tools · head to head

Pieces for Developers vs Tenable

Pieces for Developers logo

Pieces for Developers

Developer Tools

AI-powered memory layer that captures and organizes developer work

From
Free
Free plan
Yes
Full reviewWebsite
Tenable logo

Tenable

Cybersecurity

AI-powered exposure management platform for unified security visibility

From
$3500/year
Free plan
No
Full reviewWebsite

The short version

  • Only Pieces for Developers has a free tier, so it costs nothing to try first.
  • Each has a real cost: Pieces for Developers requires installing and running a background desktop app rather than being purely cloud-based.; Tenable pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • They diverge on capability: Pieces for Developers covers Activity Timeline, Tenable covers Unified attack surface mapping.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Pieces for Developers and Tenable actually diverge.

Attributes where Pieces for Developers and Tenable differ
AttributePieces for DevelopersTenable
Starting priceFree$3500/year
Pricing modelfreemiumsubscription
Free tierYesNo
Platformswindows, mac, linuxCloud, Web
CategoryDeveloper ToolsCybersecurity
Founded2018Unknown

Identical on both: user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Pieces for Developers

  • Activity Timeline
  • Conversational Search
  • Artifact Generation
  • Cross-tool Integration
  • MCP Server
  • On-device Storage

Only in Tenable

  • Unified attack surface mapping
  • Exposure intelligence enrichment
  • Tenable Hexa AI orchestration
  • Cloud Exposure (CNAPP)
  • OT Exposure
  • Identity Exposure
  • Vulnerability Management
  • Attack Surface Management

What people use each for

The jobs each tool is most often brought in to do.

Pieces for Developers

  • Recalling code snippets and context from earlier work sessionsnot Tenable
  • Generating standup updates automatically from captured activitynot Tenable
  • Feeding long-term memory into AI coding assistants via MCPnot Tenable
  • Searching past research and meeting notes conversationallynot Tenable

Tenable

  • Comprehensive vulnerability scanning for enterprise networksnot Pieces for Developers
  • Cloud security monitoring and compliance for AWS, Azure, GCPnot Pieces for Developers
  • Identity and access management risk assessmentnot Pieces for Developers
  • Operational technology security for industrial systemsnot Pieces for Developers
  • Attack surface management for third-party risknot Pieces for Developers

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Pieces for Developers

  • Requires installing and running a background desktop app rather than being purely cloud-based.
  • Free tier trial of Pro features requires a credit card and reverts after 7 days.
  • Local-first storage means memory is not automatically synced across multiple machines without Enterprise controls.
  • Effectiveness depends on the breadth of integrations enabled, which adds setup overhead.

Tenable

  • Pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • Many enterprise features require custom quote and sales engagement
  • Cloud Exposure, OT Exposure, and other modules have no published pricing
  • Multi-year contracts common, limiting flexibility
  • Setup and configuration complexity for enterprise deployments

Pricing, plan by plan

Pieces for Developers

Free
  • FreeFree
    • Basic capture and search
    • 7-day trial of Pro features
  • Pro$18.99/month
    • Long-term on-device memory
    • Cross-app capture
    • Single-click summaries and recaps
  • Enterprise$22.99/month
    • All Pro features
    • Organization-wide capture and feature controls
    • Approved AI providers and custom API keys

Tenable

$3500/year
  • Tenable One Vulnerability Management$3500/year
    • Per 100 assets
    • Multi-year discounts available
  • Tenable One Web App Scanning$3578/year
    • Per 5 FQDNs
    • Annual subscription
  • Nessus Professional$4790/year
    • Vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year
  • Nessus Expert$6790/year
    • Advanced vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year

Which should you pick?

Choose Pieces for Developers if

  • You need activity timeline.
  • You want to start without paying.
  • You work on windows, mac, linux.
  • You also want conversational search.
Pieces for Developers review

Choose Tenable if

  • You need unified attack surface mapping.
  • You work on Cloud, Web.
  • You also want exposure intelligence enrichment.
Tenable review

Questions people ask

Is Pieces for Developers or Tenable better?
Neither clearly leads. Pieces for Developers starts at Free and Tenable at $3500/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Pieces for Developers or Tenable?
Pieces for Developers has a free tier; the other does not. Paid plans start at Free for Pieces for Developers and $3500/year for Tenable.
Does Pieces for Developers or Tenable run on more platforms?
Pieces for Developers runs on windows, mac, linux. Tenable runs on Cloud, Web.
Can I use Pieces for Developers for free?
Yes. Pieces for Developers has a free tier, so you can try it without paying. Tenable starts at $3500/year.
What is Pieces for Developers best used for?
Pieces for Developers is most often used for recalling code snippets and context from earlier work sessions, generating standup updates automatically from captured activity, feeding long-term memory into ai coding assistants via mcp, searching past research and meeting notes conversationally. Of those, recalling code snippets and context from earlier work sessions and generating standup updates automatically from captured activity are not what Tenable is typically brought in for.
What can Pieces for Developers do that Tenable cannot?
Pieces for Developers covers Activity Timeline, Conversational Search, Artifact Generation, Cross-tool Integration. Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP).

Answered from the vendors’ own pages

Pieces for Developers: Does Pieces store my data in the cloud?

Pieces stores captured data on-device by default, giving users granular controls to pause, disable or delete captures rather than relying solely on cloud storage.

Source
Tenable: How is Tenable One pricing structured?

Tenable One Vulnerability Management costs $3500/year per 100 assets. Web App Scanning is $3578/year per 5 FQDNs. Multi-year discounts are available.

Source
Pieces for Developers: Is there a free plan for Pieces?

Pieces does not offer a permanently free plan; new users instead get a 7-day free trial on any plan, which requires a credit card to start.

Source
Tenable: What is the difference between Nessus Professional and Nessus Expert?

Nessus Professional costs $4790/year and provides core vulnerability scanning. Nessus Expert costs $6790/year and offers advanced scanning capabilities.

Source
Pieces for Developers: What does the Pro plan cost?

Pro is $18.99 per month billed monthly, with roughly a 25% discount available when billed yearly.

Source
Tenable: Are custom support and training available for Tenable?

Yes. Optional advanced support is available for $400/year. Training courses range from $275-$385/year.

Source
Pieces for Developers: What does the Enterprise plan add?

Enterprise costs $22.99 per month (or $69.99 per quarter) and adds organization-wide admin controls, approved AI providers, and governance over captured data.

Source
Pieces for Developers: Can I cancel my Pieces subscription?

Yes, users can upgrade, downgrade, or cancel anytime from account settings, and all plans include a 14-day money-back guarantee.

Source
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